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The Doppler log measures speed through water by using the Doppler effect of sound signal reflected from the seafloor or from suspended matter in the water column. Wärtsilä SAM 4682 transducer consists of a total of 3 hydro-acoustic elements of 270 kHz. |
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Transducer Frequency
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Contacts
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Components
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No subdevices found for this sensoravailable. |
Position
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Data logging, storage and archiving
Logged parameters
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Central geographical ship's position and time standard
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| Time synchronization and geographical positioning is done by DShip receiving the data for logging.||||
Rawdata storage on board
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DShip
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DShip
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| Uncorrected measurement data.||||
Metadata list |
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|| Device name | Dolog ||
|| Parameters| Dolog.VDVBW.Sentence; Longitudinal ground speed \[kn\]; Longitudinal water speed \[kn\]; Transverse ground speed \[kn\]; Transverse water speed \[kn\] || |
Data archiving on land
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| After the cruise the DShip data set can be extracted from https://dms.awi.de.
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Documentation
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